if 8,x,2x and 9 are in proportion. find the positive value of x
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FORMULA TO BE IMPLEMENTED
Four given numbers a, b, c, d are said to be in proportion if
TO DETERMINE
Find the positive value of x If 8,x,2x and 9 are in proportion
CALCULATION
Since 8,x,2x and 9 are in proportion
So
Since x is positive
So x = 6
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